SKF TKTL 21 Mode D'emploi page 9

Designation
Battery
Battery lifetime
Switch off
TKTL 21
2 × AAA Alkaline type IEC LR03
Min. 30 hours continuous use without
laser.
Min. 3 hours continuous use with laser
and white LED
IR mode automatic after 60 seconds
after trigger is released.
Probe mode automatic after 12 minutes
EN 7